The diameter of a circle with a radius of 5m
10m
Find the area of a rectangle that is 3m by 8m
A=bh
A=3 x 8
A=24 m2
Find the area of the following: Include formula, substitute and solve.
A=1/2 bh
A=1/2 (7)(2.8)
A= 9.8 mi2
Simplify b + 2b
What is 3b?
BONUS: How to write 4 divided by y
Expand
3(b-2)
3b-6
Find the area of the following: (Must have formula, substitute and solve)
A=bh
A=15(8)
A=120 in2
Find the area of the following. Include formula, substitute and solve.
A=39 units2
Simplify a2 x a
What is a3
BONUS: a2 x 2a
Expand
2x (5 - 3x)
10x - 6x2
The circumference of a circle with radius 4cm in terms of pi
What is 8 pi cm?
Simplify 2x + 4 - x + 1
x + 5
Factorise
12d + 8
4(3d + 2)
The area of a circle with a radius of 3cm in terms of pi
9 pi cm2
A=bh
50=5b
b=10 km
If the area of the triangle is 36 cm2, what is the value of x?
A=1/2 bh
36= 1/2 (6x)
x= 12
Expand and simplify
2(3a+1) - 3(2 - 4a)
18a-4
Expand and simplify
(x+2)(x+5)
x^2 +7x + 10
The area of a semi circle with a radius of 5cm, in terms of pi
What is 12.5 pi cm2?
A standard size volleyball court has an area of 1,800m2. The length of the court is 60 m. What is the width?
A=lw
1800= 60w
w=30 m
Find the area of a trapezium with height of 5 meters, and parallel sides 4 m and 11 m.
A=1/2 x height x (a+b)
A=1/2 x 5 x (4+11)
A=37.5 m2
Simplify by grouping like terms
4x^2 - 8x + 1 + 5x - x^2
3x^2 - 3x + 1
Expand and simplify
(4x + 3)(x - 1)
4x2 + x - 3